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Finding the Fourth Proportional to 68,893,598.25, 103,324,072.37 and 19,707,935.04

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Solution

The fourth proportional to 68,893,598.25, 103,324,072.37 and 19,707,935.04 is: 29,557,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893,598.25 : 103,324,072.37 = 19,707,935.04 : x
  2. Step 2: Convert to fraction form
    68,893,598.25/103,324,072.37 = 19,707,935.04/x
  3. Step 3: Cross multiply
    68,893,598.25x = 103,324,072.37 × 19,707,935.04
  4. Step 4: Simplify right side
    68,893,598.25x = 2,036,304,106,237,679
  5. Step 5: Solve for x
    x = 2,036,304,106,237,679/68,893,598.25
  6. Step 6: Final answer
    x = 29,557,232.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.